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authorArun Easi <arun.easi@qlogic.com>2011-08-16 20:29:23 +0200
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 16:13:52 +0200
commite02587d777bfb398f70709fd3a92fa0154959003 (patch)
tree41f590c4cce0d636c70ab265ea7313abed833f6c /fs/ramfs
parent[SCSI] qla2xxx: T10 DIF - Handle uninitalized sectors. (diff)
downloadlinux-e02587d777bfb398f70709fd3a92fa0154959003.tar.xz
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[SCSI] qla2xxx: T10 DIF - Fix incorrect error reporting.
This fix: - Disables app tag peeking; correct tag check will be added when the SCSI API is available. - Always derive ref_tag from scsi_get_lba() - Removes incorrect swap of FCP_LUN in FCP_CMND - Moves app-tag error check before ref-tag check. The reason being, currently there is no interface in SCSI to retrieve the app-tag for protection I/Os, so driver puts zero for app-tag in the firmware interface, but requests not to validate it, but when a ref-tag error is detected by firmware, it would put expected/actual tags for all the protection tags (guard/app/ref). As driver checks for app tag error first, a ref-tag error is incorrectly flagged as app-tag error. - Convert HBA specific checks to capability based. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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